package com.lagou.servlet;

import com.alibaba.fastjson.JSON;
import com.lagou.factory.BeanFactory;
import com.lagou.factory.CustomApplicationContext;
import com.lagou.pojo.Result;
import com.lagou.service.AccountService;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * @Author ZHAO Yudong
 * @Date 2020/11/6 14:13
 * @description：
 */
@WebServlet(name = "transferServlet", urlPatterns = "/transferServlet")
public class TransferServlet extends HttpServlet {

    private AccountService accountService = (AccountService) BeanFactory.getBean("accountService");

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doPost(req, resp);
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

//        CustomApplicationContext customApplicationContext = new CustomApplicationContext("com.lagou");
//        accountService = (AccountService) customApplicationContext.getBean("accountService",customApplicationContext);

        // 设置请求体的字符编码
        req.setCharacterEncoding("UTF-8");

        String fromCardNo = req.getParameter("fromCardNo");
        String toCardNo = req.getParameter("toCardNo");
        String moneyStr = req.getParameter("money");
        int money = Integer.parseInt(moneyStr);

        Result result = new Result();

        try {

            // 2. 调用service层方法
            accountService.transfer(fromCardNo, toCardNo, money);
            result.setStatus("200");
        } catch (Exception e) {
            e.printStackTrace();
            result.setStatus("201");
            result.setMessage(e.toString());
        }

        // 响应
        resp.setContentType("application/json;charset=utf-8");
        Object o = JSON.toJSON(result);
        System.out.println(o);
        resp.getWriter().print(o.toString());
    }
}
